Basod, V.P. (2007): Effect of family climate on student's scholestic Achievement, PIPR, vol. 130 (1), 41-42
Baran and Byrne (2005) : Abnormal Psychology.
Dulf, O.L. and L. Seigel (1960) : Biological factors associated with academic over and under - achievement. J. Boke. Psychol. 51, 43-46
Mayhew, L.B. (1965): Non-test predictors of academic achievement Educ. Psychl Meagmt, 25, 39-46
Mc. Cormick, J.H. and W. Asher (1964) : Aspects of the high school record related to the first samester college grade point average. Personnel Guidance Journal, 42, 699-703
Child, D. (1964) The relationship between introversion, extraversion, neuroticism and performance in school examinations. Brit. J. E duc. Psychol., 34, 187-197.